lattul caren, Timisela YA, Mony SC, Tunjanan JK, Lussy AMA. peramalan prediksi penjualan usaha kedai try menggunakan metode least square. JTPKM [Internet]. 1 Agustus 2024 [dikutip 4 Maret 2026];1(3):243-8. Tersedia pada: https://tagalayapkm.com/index.php/jt-pkm/article/view/47